JP2010510063A5 - - Google Patents

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Publication number
JP2010510063A5
JP2010510063A5 JP2009538449A JP2009538449A JP2010510063A5 JP 2010510063 A5 JP2010510063 A5 JP 2010510063A5 JP 2009538449 A JP2009538449 A JP 2009538449A JP 2009538449 A JP2009538449 A JP 2009538449A JP 2010510063 A5 JP2010510063 A5 JP 2010510063A5
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Japan
Prior art keywords
draft tube
oxygen
grams per
per liter
vessel
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Pending
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JP2009538449A
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Japanese (ja)
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JP2010510063A (en
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Priority claimed from US11/602,519 external-priority patent/US7455776B2/en
Priority claimed from US11/881,845 external-priority patent/US7497949B2/en
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Publication of JP2010510063A publication Critical patent/JP2010510063A/en
Publication of JP2010510063A5 publication Critical patent/JP2010510063A5/ja
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Claims (9)

攪拌機と動作上関連するドラフトチューブが内部に配置された、廃水システムの曝気槽内で固形分含有量の高い物質を処理する方法であって、
１リットルあたり約１０グラム超の固形分負荷を有する固形分含有量の高い物質を曝気槽内に配置するステップと、
ドラフトチューブの入り口に近接する位置で曝気槽の中に酸素を導入するステップと、
ドラフトチューブ内で固形分含有量の高い物質及び酸素を撹拌して、固形分含有量の高い物質の中に、約０．３ｍｍ〜３．０ｍｍの平均直径を有する酸素の泡を発生させるステップと、
酸素の泡を含む固形分含有量の高い物質を、ドラフトチューブの出口から離れるように曝気槽内に射出して、曝気槽内に酸素の泡を分散させ、曝気槽内での酸素の泡の滞留時間を増加させるステップと
を含む方法。 A method of treating a substance with a high solid content in an aeration tank of a wastewater system, in which a draft tube that is operationally associated with a stirrer is disposed,
Placing a high solids content material having a solids load of greater than about 10 grams per liter in an aeration tank;
Introducing oxygen into the aeration tank at a location close to the entrance of the draft tube ;
Agitating the high solids content material and oxygen in a draft tube to generate oxygen bubbles having an average diameter of about 0.3 mm to 3.0 mm in the high solids content material; ,
A substance with a high solid content, including oxygen bubbles , is injected into the aeration tank away from the outlet of the draft tube to disperse the oxygen bubbles in the aeration tank, and the oxygen bubbles in the aeration tank Increasing the residence time. 機械撹拌式接触器を有するドラフトチューブが内部に配置された、廃水システムの好気性消化装置内で固形分含有量の高い物質を処理する方法であって、
１リットルあたり約１０グラム超の固形分負荷を有する固形分含有量の高い物質を好気性消化装置の中に配置するステップと、
ドラフトチューブの入口に近接する位置で好気性消化装置の中に酸素を導入するステップと、
固形分含有量の高い物質及び酸素を撹拌して、固形分含有量の高い物質の中に、約０．３ｍｍ〜３．０ｍｍの平均直径を有する酸素の泡を発生させるステップと、
酸素の泡を含む固形分含有量の高い物質をドラフトチューブの出口から好気性消化装置内に分散させて、好気性消化装置内での酸素の泡の滞留時間を増加させるステップと
を含む方法。 A method of treating a substance having a high solid content in an aerobic digester of a wastewater system, in which a draft tube having a mechanically stirred contactor is disposed,
Placing a high solids content substance having a solids load of greater than about 10 grams per liter in an aerobic digester;
Introducing oxygen into the aerobic digester at a location proximate to the inlet of the draft tube ;
Stirring the high solid content material and oxygen to generate oxygen bubbles having an average diameter of about 0.3 mm to 3.0 mm in the high solid content material;
Dispersing a substance having a high solid content containing oxygen bubbles from the outlet of the draft tube into the aerobic digester to increase the residence time of the oxygen bubbles in the aerobic digester. 固形分含有量の高い物質が、１リットルあたり約１０グラム〜１リットルあたり約４０グラムの固形分負荷を有する請求項１又は２に記載の方法。3. A process according to claim 1 or 2 wherein the high solids content material has a solids loading of about 10 grams per liter to about 40 grams per liter. 廃水システムが膜バイオリアクタの廃水システムである請求項１に記載の方法。The method of claim 1, wherein the wastewater system is a membrane bioreactor wastewater system. 攪拌機と動作上関連するドラフトチューブが内部に配置された混合容器内で、高粘性液体を気体と混合する方法であって、A method of mixing a highly viscous liquid with a gas in a mixing vessel in which a draft tube that is operationally associated with a stirrer is disposed,
高粘性液体を混合容器内に配置して、容器の液体部分及び容器の気体のヘッドスペース部分を画定するステップと、Placing a highly viscous liquid in the mixing vessel to define a liquid portion of the vessel and a gas headspace portion of the vessel;
ドラフトチューブ及び攪拌機に近接する位置で容器の中に酸素を導入するステップと、Introducing oxygen into the container at a location proximate to the draft tube and stirrer;
高粘性液体及び酸素を撹拌して、高粘性液体の中に、約０．３ｍｍ〜３．０ｍｍの平均直径を有する酸素の泡を発生させるステップと、Stirring the high viscosity liquid and oxygen to generate bubbles of oxygen having an average diameter of about 0.3 mm to 3.0 mm in the high viscosity liquid;
酸素の泡を含む高粘性液体を、ドラフトチューブの出口から離れるように混合容器の中に分散させて、混合容器内での酸素の泡の滞留時間を増加させるステップとDispersing a highly viscous liquid containing oxygen bubbles in the mixing vessel away from the outlet of the draft tube to increase the residence time of the oxygen bubbles in the mixing vessel;
を含む方法。Including methods. 酸素の泡を含む高粘性液体を、気体のヘッドスペースより低い位置でドラフトチューブ内に再循環させるステップをさらに含む請求項５に記載の方法。6. The method of claim 5, further comprising the step of recirculating the highly viscous liquid containing oxygen bubbles into the draft tube at a location below the gas headspace. 容器が廃水処理システムの曝気槽であり、廃水が、１リットルあたり約１０グラム〜１リットルあたり約４０グラムの固形分負荷、及び約２センチポアズ超の粘性を有する請求項５に記載の方法。6. The method of claim 5, wherein the container is an aeration tank of a wastewater treatment system, and the wastewater has a solids load of about 10 grams per liter to about 40 grams per liter, and a viscosity greater than about 2 centipoise. 容器が発酵容器であり、高粘性液体が、１リットルあたり約５グラム〜１リットルあたり約７０グラムの固形分負荷、及び約２センチポアズ超の粘性を有する発酵ブロスである請求項５に記載の方法。6. The method of claim 5, wherein the vessel is a fermentation vessel and the highly viscous liquid is a fermentation broth having a solids load of about 5 grams per liter to about 70 grams per liter, and a viscosity greater than about 2 centipoise. . 容器が化学反応器又はバイオリアクタであり、高粘性液体が約１０センチポアズ超の粘性を有する請求項５に記載の方法。6. The method of claim 5, wherein the vessel is a chemical reactor or bioreactor and the highly viscous liquid has a viscosity greater than about 10 centipoise.
JP2009538449A 2006-11-21 2007-11-13 System and method for mixing a highly viscous liquid with a gas Pending JP2010510063A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/602,519 US7455776B2 (en) 2006-11-21 2006-11-21 Method for mixing high viscous liquids with gas
US11/881,845 US7497949B2 (en) 2006-11-21 2007-07-30 System and method for oxygenating an aerobic sludge digester
PCT/US2007/084507 WO2008063992A2 (en) 2006-11-21 2007-11-13 System and method for mixing high viscous liquids with gas

Publications (2)

Publication Number Publication Date
JP2010510063A JP2010510063A (en) 2010-04-02
JP2010510063A5 true JP2010510063A5 (en) 2010-11-11

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JP2009538449A Pending JP2010510063A (en) 2006-11-21 2007-11-13 System and method for mixing a highly viscous liquid with a gas

Country Status (8)

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US (1) US7497949B2 (en)
JP (1) JP2010510063A (en)
KR (1) KR20090082237A (en)
BR (1) BRPI0718638B1 (en)
CA (1) CA2670028C (en)
MX (1) MX2009005372A (en)
NO (1) NO20092351L (en)
WO (1) WO2008063992A2 (en)

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